Linking your accounts will allow you to immediately transfer miles between programs.

If you have a higher elite status in 1 program, they’ll match that status in the other program, plus they’ll combine your 2011 elite qualifying activity to ensure that you have the highest possible elite status in both programs for 2012.

The benefits of the 2012 MileagePlus program will take effect late in the first quarter of 2012 under a single account number.